I tried to download the repository from the link given below, but the
connection timed out. I found the project on sourcerepo
(http://code.ettus.com/redmine/ettus/projects/show/fpga), and also tried
the link given there also timed out.
address@hidden:~$ git clone
git://ettus.sourcerepo.com/ettus/fpga.git
<http://ettus.sourcerepo.com/ettus/fpga.git>
Initialized empty Git repository in /home/gnuradio/fpga/.git/
ettus.sourcerepo.com <http://ettus.sourcerepo.com>[0: 68.233.8.98]:
errno=Connection timed out
fatal: unable to connect a socket (Connection timed out)
address@hidden:~$ git clone git://git.ettus.com/ettus/fpga.git
<http://git.ettus.com/ettus/fpga.git>
Initialized empty Git repository in /home/gnuradio/fpga/.git/
git.ettus.com <http://git.ettus.com>[0: 68.233.8.98]: errno=Connection
timed out
fatal: unable to connect a socket (Connection timed out)
Any help here would be greatly appreciated.

It looks like your firewall is blocking the git protocol. You probably
don't have problems with the GNU Radio git repo because it is served
over http, but this one is only served over the git protocol.